Electricity Vocabulary Definitions

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Watt

Back

A unit of power equal to one joule per second.

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Amp meter

Back

An instrument used to measure electric current in amperes.

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Battery cell

Back

A single electrochemical cell that converts chemical energy into electrical energy.

Front

Circuit

Back

A closed path through which electric current flows.

Front

Closed circuit

Back

A complete electrical circuit around which current flows or circulates.

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Conductivity

Back

The ability of a material to conduct electric current.

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Dry cell

Back

A type of electrochemical cell that is used in portable devices.

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Electric current

Back

The flow of electric charge in a circuit.

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Electric discharge

Back

The release of electricity stored in a source.

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Electric motor

Back

A device that converts electrical energy into mechanical energy.